Polio is continually in circulation and found in the sewers.

People routinely get it from fecal contamination(think nappys).

I can just imagine how sodomy will affect this with vaccines going live once again.

The question is viral reactivation. What is happening in either the environment or immune systems?

I've already said that they are tracking dispersion parameters. The people ostensibly in charge may be incompetent. But, the competent, in the background, are counting on the fallibility of their Judas Cattle.